Mixing Colors
When you are buying groceries you very often look at the label of nutritional facts.
In mixing colors, guess what, you are going to do the same thing. You are going to look at the ingredients in the tube before you buy, You should not go by a "common name" such as Sap Green, Bright Red or Sky Blue etc. etc.
You are going to look at the pigment code formulation, wording on the tube P.G. meaning pigment green, P.R. meaning pigment red, P.B. meaning pigment blue
You are going to start with seven tubes only, why so few, starting with a small number of colors and using and mixing these for a while to get completely familiar with what they can do and cannot do. You can always add more pigments (colors) to your palette as you get more experienced.
Below are the seven pigments that I recommend as starters.

PB 29 French Ultr Marine Warm
PB 27 Antwerp Blue Cool
PR 206 Perm. Alizarin Crimson Cool
PR 254 Winsor Red Warm
PY 153 Indian Yellow Warm
PY 154 Winsor Yellow Cool
PR 101 Burnt Sienna Warm
The above list of seven pigments are listed as warm or cool, remember warm colors tend to advance toward the viewer and cool colors tend to recede.
Keep that thought in mind for a moment.
Most books describe this or that color as being warm or cool as the case may be.
But that statement is totally misleading.
It may well be true as shown on a color wheel at that very moment you are looking at it. But it's a whole different story on a painting for example PB 29 is listed as a warm blue, PR 206 is listed as a cool red. Now place them together and they switch rolls the blue becomes cool and the red becomes warm.
Colors are only warm or cool depending on their neighbors.
Most of you are familiar with the color wheel it consists of primary colors RED, YELLOW, BLUE, and what is know as secondary colors, these are color produced by mixing any two primaries together, example Red plus Blue = Purple, the other two secondary's being Green and Orange.
Six of the seven colors suggested consist of a warm and cool Red, warm and cool Blue. warm and cool Yellow. The colors chosen all have a color BIAS, or leaning towards another color. The warm Blue leans towards Red hence it's a warm Blue, the cool Red leans towards Blue hence it is a cool Red.
This will apply to the other four colors. They all lean one way or the other.
Remember this, it is very important .
If you mix anymore than three pigments you are headed maybe for mud.
In the beginning of mixing colors I told you to disregard Common Names. You are now going to look for Pigment Codes only-forget the name
Pigment code PB 15 which is Phthalo Blue has at least fifteen different names, each manufacturer has a different name for this pigment. If you like this Blue all you have to remember is PB 15 on the label not fifteen different names. Isn't that easier.
Mixing Color is not difficult or complicated if you stop and think what color do I want to end up with.
Let's suppose you want to make "pure clean vibrant purple" look at the color wheel below.

Mix color #1 with #2, please note that you did not cross over the high fences you stayed in your area. You mixed PB 29 which is Blue learning towards Red with PR 206 which is Red leaning towards Blue.
This is what happens, you mixed the Blue Red with a Red Blue therefore you mixed two tubes of pigment together but only two pigments Blue & Red together.
Now suppose you need a dullish purple,.... be a kid and climb over one of the high fences and mix color #1 with, climb over the fence with color #3 this is what happened, your mixed a Blue Red with a Red Yellow, you therefore mixed two tubes of pigment together but now three pigments Blue, Red and Yellow and you wind up with a dull purple.
Now jump over two fences, mix color #6 with color #3 you are still mixing Blue & Reds together but it's going to look like mud, because you mixed Blue/Green Red/Yellow four pigments out of two tubes.
Now you can do the same for a nice Green, mix color #5 & 6 together..... mix #6 & 4 and you are going to get a dullish Green, mix 1 & 4 your going to get mud Green.
Do the same for Orange #4 & 3 good Orange, #4 & 2 dull and #2 & 5 mud.
Mixing two pigments that are biased towards completely different colors will always result in a more "neutralized" (less intend or pure mixture). Some of these colors can be wonderful and you need to know how to mix them to play them off against brighter and pure colors.
The above is the most important thing for you to understand.
Remember as you add pigments you have to find out the "leanings" or bias of that particular color, or you could go to The Watercolor Color Club on the navigational bar on the left of this site and the whole wide world of color will be at your command.
Colors that are opposite each other on the color wheel tend to make a greyish/black color. White is opposite of Black, I know you got that right away.... Blue is opposite to.... that might make you pause a second or two Orange is Blue's opposite.
Try this tip.....Blue, Red and Yellow are the three primaries.
Take one primary - let's say Blue and it's opposite is the color produced from the other two primaries when they are mixed together in this case Red & Yellow make Orange.
Let's take Red, the two primaries left are Blue & Yellow, when mixed together Green is the result. Green therefore is the opposite to Red. Blue and Red make Purple, The primary left is Yellow, therefore, Yellow is the opposite to Purple.
All my Gray's are made from Permanent Alizarin Crimson plus Winsor Green. Beware both of these colors are stainers, maybe a trip to the Watercolor Club might be in order if you want more help with this topic.
When you buy a tube of paint try to obtain one pigment stated on the tube. Single pigment tubes is the way to go if possible. The least pigment in each tube the better.
I would never in a million years buy a tube of Davy's Gray it has PG 17 (Green), PBk6 (Black) PW4 (White), PBk19 (Black) all inside the tube. Mix this with another tube I would not buy Burnt Umber PBk7 (Black) PR101 (Red) PY42 (yellow) if you happen to mix both of these you would have seven pigments mixed together WHAT A MESS.
Mixing is also a matter of proportion, how much of each pigment that goes into the mix determines the outcome. Always start your mix with the lightest of pigments and add the others to it. Some pigments have greater tinting strength and a little touch may change the other color quickly.
In Mixing Colors I try to let them mingle and mix together on the paper rather than mixing colors in the palette.
Don't over mix your pigments and for goodness sake don't push & pull them around the paper with your brush - over working.
Always feel free to contact me with any questions you might have.
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